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REJ172: red dwarf star with 5 planets

  REJ172.1   REJ172.2  
REJ172.3
 
REJ172.4
 
REJ172.5
 

Solar system 'REJ172' comprises the star 'REJ172' and the retinue of celestial objects gravitationally bound to it: 5 planets and their 415 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'REJ172', a red dwarf class star that contains about 99.56% of the system's known mass and dominates it gravitationally. REJ172 is located more than 403 lightyears from the center of the galaxy.

REJ172.1, the first planet in this system, may feature life forms. Its average temperature is 278K (5C) and it's atmosphere contains 7% of oxygen. One year on REJ172.1 lasts 161 days, one day lasts 15 hours. It's diameter is 9920 km, 0.7 times the diameter of the Earth.

This solar system comprises 5 planets

REJ172.1 is a small terrestrial planet (4960 km radius) which orbits its star in 161 Earth days, one day on REJ172.1 lasts 15 Earth hours. Its average temperature is 278 K (5 C), its atmosphere mainly consists of nitrogen and it has 2 moons.
REJ172.2 is a small terrestrial planet (4815 km radius) which orbits its star in 296 Earth days, one day on REJ172.2 lasts 15 Earth hours. Its average temperature is 247 K (-26 C), its atmosphere mainly consists of nitrogen, oxygen and it has 3 moons.
REJ172.3 is a huge terrestrial planet (12911 km radius) which orbits its star in 3278 Earth days, one day on REJ172.3 lasts 6 Earth hours. Its average temperature is 1668 K (1395 C), its atmosphere mainly consists of hydrogen and it has 103 moons.
REJ172.4 is a huge terrestrial planet (14074 km radius) which orbits its star in 14007 Earth days, one day on REJ172.4 lasts 6 Earth hours. Its average temperature is 1637 K (1364 C), its atmosphere mainly consists of hydrogen, helium and it has 169 moons.
REJ172.5 is a large gas giant (60620 km radius) which orbits its star in 133126 Earth days, one day on REJ172.5 lasts 5 Earth hours. Its average temperature is 1151 K (878 C), its atmosphere mainly consists of hydrogen and it has 138 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:REJ172.1REJ172.2REJ172.3REJ172.4REJ172.5
distance from star:40*106 km60*106 km299*106 km789*106 km3543*106 km
radius:4960 km4815 km12911 km14074 km60620 km
mass:976*1021 kg893*1021 kg17217*1021 kg22301*1021 kg1782123*1021 kg
surface gravity: 2.64 m/s2
0.26 Earths
2.57 m/s2
0.26 Earths
6.89 m/s2
0.70 Earths
7.51 m/s2
0.76 Earths
32.3 m/s2
3.30 Earths
escape velocity:5.125 km/s4.975 km/s13.34 km/s14.54 km/s62.64 km/s
year: 257 REJ172.1 days
161 Earth days
473 REJ172.2 days
296 Earth days
13112 REJ172.3 days
3278 Earth days
56028 REJ172.4 days
14007 Earth days
639004 REJ172.5 days
133126 Earth days
day:15 hrs15 hrs6 hrs6 hrs5 hrs
axial tilt:16°18°
temperature:278 K
5 C
247 K
-26 C
1668 K
1395 C
1637 K
1364 C
1151 K
878 C
atmosphere:90% N2
7% O2
3% CO2
0% other
3% H2
1% He
74% N2
20% O2
2% CO2
0% other
92% H2
8% He
0% other
86% H2
14% He
0% other
96% H2
4% He
0% other
moons:23103169138
rings:00911

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